7M9763 Lock Nut — SKU 7M9763

7M9763 is a nylon locknut used on Caterpillar equipment and engines. It is listed under the Nylon Locknuts category and is used across Caterpillar gas, industrial, marine, truck, and earthmoving equipment applications. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified by SKU and part number 7M9763. The available application data covers Caterpillar machines and engines from several equipment groups, including track-type tractors, track loaders, wheel loaders, motor graders, pipelayers, wheel skidders, and wheel tractors.

Fitment

• Gas engine: G3306
• Industrial engine: 3306, D320A
• Marine engine: 3306, D330A, D330B, D333A, D333B
• Motor grader: 12E
• Pipelayer: 561B
• Track loader: 941, 951B, 955H, 977H
• Track-type tractor: D4D, D5, D6C, D7F, D8K
• Truck engine: 1673, 1673B, 1673C
• Wheel loader: 950, 966C
• Wheel skidder: 518
• Wheel tractor: 657

The listed applications include both complete Caterpillar machine models and engine model designations. The locknut is specified for use with the Caterpillar equipment and engine models shown above. Model availability may differ according to the machine configuration, production arrangement, and the specific location where the fastener is installed.

For correct identification, compare the required part number with the number marked in the machine parts documentation or on the removed fastener. The supplied application information identifies 7M9763 as a nylon locknut; no thread size, pitch, material grade, finish, or installation torque is provided in the available product data.

Specifications